A branch of the living world.
110,000 accepted animal species, linked through classification, synonyms, distributions and source literature.
These attributed records come from Catalogue of Life, 2026-09-11. Detail varies; they are not all fully researched, illustrated articles. Browse researched folklore and fiction.
Matches documented source distribution records. Geographic coverage is incomplete.
Family: Nostoceratidae · Clear filter
| Species | Classification | Source status |
|---|---|---|
| Didymoceras awajiense (Yabe, 1901) | NostoceratidaeMollusca | Accepted speciesRecorded extinct |
| Didymoceras californicum Anderson, 1958 | NostoceratidaeMollusca | Accepted speciesRecorded extinct |
| Didymoceras cheyennense (Meek & Hayden, 1856) | NostoceratidaeMollusca | Accepted speciesRecorded extinct |
| Didymoceras cochleatus (Meek & Hayden, 1858) | NostoceratidaeMollusca | Accepted speciesRecorded extinct |
| Didymoceras donezianum (Michailov, 1951) | NostoceratidaeMollusca | Accepted speciesRecorded extinct |
| Didymoceras draconis (Stephenson, 1941) | NostoceratidaeMollusca | Accepted speciesRecorded extinct |
| Didymoceras stevensoni (Whitfield, 1877) | NostoceratidaeMollusca | Accepted speciesRecorded extinct |
| Didymoceras tenuicostatus (Meek & Hayden, 1858) | NostoceratidaeMollusca | Accepted speciesRecorded extinct |
| Didymoceras tortus (Meek & Hayden, 1858) | NostoceratidaeMollusca | Accepted speciesRecorded extinct |
| Didymoceras umbilicatus (Meek & Hayden, 1858) | NostoceratidaeMollusca | Accepted speciesRecorded extinct |
| Didymoceras uncus (Meek & Hayden, 1858) | NostoceratidaeMollusca | Accepted speciesRecorded extinct |
| Didymoceras vespertinus (Conrad, 1874) | NostoceratidaeMollusca | Accepted speciesRecorded extinct |
| Exiteloceras jenneyi (Whitfield, 1877) | NostoceratidaeMollusca | Accepted speciesRecorded extinct |
Source and selection
Bánki, O., Roskov, Y., Döring, M., Ower, G., Hernández Robles, D. R., Plata Corredor, C. A., Stjernegaard Jeppesen, T., Örn, A., Pape, T., Hobern, D., Garnett, S., Little, H., DeWalt, R. E., Miller, J., Orrell, T., Aalbu, R., Abbott, J., Aedo, C., Aescht, E., et al. (2026). Catalogue of Life (Version 2026-09-11). Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgz5n
First records in source order under phylum quotas, then source-order overflow if a quota is short. This is a selective snapshot. Source name strings can include author names, which are also searchable.